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Finding the Fourth Proportional to 377,037.94, 520,322.29 and 207,276.34

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Solution

The fourth proportional to 377,037.94, 520,322.29 and 207,276.34 is: 286,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,037.94 : 520,322.29 = 207,276.34 : x
  2. Step 2: Convert to fraction form
    377,037.94/520,322.29 = 207,276.34/x
  3. Step 3: Cross multiply
    377,037.94x = 520,322.29 × 207,276.34
  4. Step 4: Simplify right side
    377,037.94x = 107,850,499,891.62
  5. Step 5: Solve for x
    x = 107,850,499,891.62/377,037.94
  6. Step 6: Final answer
    x = 286,046.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.